src/server/webdav/saxhandler.cpp

Sat, 19 Jan 2013 21:52:21 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sat, 19 Jan 2013 21:52:21 +0100
changeset 50
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parent 48
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child 59
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permissions
-rw-r--r--

propfind supports allprop

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2013 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include <stdio.h>
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30 #include <stdlib.h>
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31 #include <string.h>
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32
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33 #include "../ucx/string.h"
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34 #include "../ucx/dlist.h"
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35 #include "../util/pool.h"
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36
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37 #include "saxhandler.h"
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38
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39 using namespace std;
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40
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41 void xstack_push(UcxDlist **stack, XmlElement *elm) {
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42 *stack = ucx_dlist_prepend(*stack, elm);
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43 }
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44
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45 XmlElement* xstack_pop(UcxDlist **stack) {
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46 if(*stack == NULL) {
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47 return NULL;
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48 }
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49 XmlElement* ret = (XmlElement*)(*stack)->data;
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50 UcxDlist *newstack = ucx_dlist_remove(*stack, *stack);
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51 *stack = newstack;
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52 return ret;
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53 }
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56
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57 PropfindHandler::PropfindHandler(PropfindRequest *rq, pool_handle_t *p) {
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58 davrq = rq;
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59 pool = p;
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60
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61 davPropTag = false;
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62 property = NULL;
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63 }
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64
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65 PropfindHandler::~PropfindHandler() {
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66
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67 }
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68
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69 void PropfindHandler::startElement(
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70 const XMLCh *const uri,
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71 const XMLCh* const localname,
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72 const XMLCh* const qname,
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73 const Attributes& attrs)
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74 {
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75 char *ns = XMLString::transcode(uri);
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76 char *name = XMLString::transcode(localname);
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77
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78 if(!strcmp(ns, "DAV:") && !strcmp(name, "allprop")) {
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79 davrq->allprop = 1;
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80 } else if(!strcmp(ns, "DAV:") && !strcmp(name, "prop")) {
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81 davPropTag = true;
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82 } else if(davPropTag && property == NULL && !davrq->allprop) {
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83 property = (DavProperty*)pool_malloc(pool, sizeof(DavProperty));
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84 //property = (DavProperty*)malloc(sizeof(DavProperty));
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85 /* TODO: pool_malloc makes big mistakes!! */
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86 // Fixed or not? It works
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87
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88 size_t nslen = strlen(ns);
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89 size_t namelen = strlen(name);
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90 if(nslen > 0) {
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91 property->xmlns = (char*)pool_malloc(pool, nslen + 1);
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92 property->xmlns[nslen] = 0;
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93 memcpy(property->xmlns, ns, nslen);
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94 } else {
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95 property->xmlns = NULL;
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96 }
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97
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98 if(namelen > 0) {
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99 property->name = (char*)pool_malloc(pool, namelen + 1);
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100 property->name[namelen] = 0;
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101 memcpy(property->name, name, namelen);
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102 } else {
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103 property->name = NULL;
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104 }
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105 }
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106
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107 XMLString::release(&ns);
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108 XMLString::release(&name);
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109 }
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110
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111
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112 void PropfindHandler::endElement(
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113 const XMLCh* const uri,
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114 const XMLCh* const localname,
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115 const XMLCh* const qname)
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116 {
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117 char *ns = XMLString::transcode(uri);
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118 char *name = XMLString::transcode(localname);
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119
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120 if(property != NULL) {
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121 const char *xmlns = (property->xmlns) ? property->xmlns : "";
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122
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123 if(!strcmp(ns, xmlns) && !strcmp(name, property->name)) {
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124 // add property to DavRequest
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125 UcxDlist *elm = (UcxDlist*)pool_malloc(pool, sizeof(UcxDlist));
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126 elm->prev = NULL;
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127 elm->next = NULL;
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128 elm->data = property;
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129 //printf("saxhandler: add property: {%s}\n", property->name);
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130 davrq->properties = ucx_dlist_concat(davrq->properties, elm);
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131
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132 property = NULL;
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133 }
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134 }
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135
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136 XMLString::release(&ns);
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137 XMLString::release(&name);
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138 }
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139
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140 void PropfindHandler::startDocument() {
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141
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142 }
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143
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144 void PropfindHandler::endDocument() {
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145
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146 }
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147
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148
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149 /************* PropPatch Handler **************/
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150
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151 ProppatchHandler::ProppatchHandler(ProppatchRequest *rq, pool_handle_t *p) {
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152 davrq = rq;
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153 pool = p;
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154
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155 davPropTag = false;
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156 rootElement = NULL;
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157 xmlStack = NULL;
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158 newElement = NULL;
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159
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160 updateMode = -1;
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161 }
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162
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163 ProppatchHandler::~ProppatchHandler() {
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164 ucx_dlist_free(xmlStack);
29
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165 }
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166
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167 void ProppatchHandler::startElement(
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168 const XMLCh *const uri,
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169 const XMLCh* const localname,
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170 const XMLCh* const qname,
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171 const Attributes& attrs)
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172 {
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173 char *ns = XMLString::transcode(uri);
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174 char *name = XMLString::transcode(localname);
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175
30
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176 if(!strcmp(ns, "DAV:") && !strcmp(name, "set")) {
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177 updateMode = 0;
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178 } else if(!strcmp(ns, "DAV:") && !strcmp(name, "remove")) {
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179 updateMode = 1;
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180 } else if(!strcmp(ns, "DAV:") && !strcmp(name, "prop")) {
29
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181 davPropTag = true;
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182 } else if(davPropTag) {
30
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183 newElement = (XmlElement*)pool_calloc(pool, 1, sizeof(XmlElement));
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184 newElement->name = sstr(pool_strdup(pool, name));
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185 newElement->xmlns = xmlnsmap_put(davrq->nsmap, ns);
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186
30
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187 /*
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188 * the xml stack manages the xml hierarchy
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189 * new elements will be added to the top element on the stack
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190 */
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191
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192 XmlElement *currentElm = XSTACK_CUR();
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193 if(currentElm) {
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194 xmlelm_add_child(currentElm, newElement);
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195 }
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196
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197 /* newElement is now the parent for future elements */
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198 XSTACK_PUSH(newElement);
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199
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200 /* if the root element isn't set, the first new element is the root */
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201 if(!rootElement) {
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202 rootElement = newElement;
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203 }
29
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204 }
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205
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206 XMLString::release(&ns);
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207 XMLString::release(&name);
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208 }
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209
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210
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211 void ProppatchHandler::endElement(
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212 const XMLCh* const uri,
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213 const XMLCh* const localname,
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214 const XMLCh* const qname)
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215 {
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216 char *ns = XMLString::transcode(uri);
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217 char *name = XMLString::transcode(localname);
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218
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219 if(!strcmp(ns, "DAV:") && !strcmp(name, "set")) {
30
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220 updateMode = -1;
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221 } else if(!strcmp(ns, "DAV:") && !strcmp(name, "remove")) {
30
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222 updateMode = -1;
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223 } else if(!strcmp(ns, "DAV:") && !strcmp(name, "prop")) {
30
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224 davPropTag = false;
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225 } else if(davPropTag) {
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226 XmlElement *elm = XSTACK_POP();
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227 if(xmlStack == NULL) {
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228 /* property complete */
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229
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230 /*
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231 XmlElement *r = rootElement;
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diff changeset
232 printf("<%s>\n", sstrdup(r->name).ptr);
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233 printf("%s\n", r->content);
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234 printf("</%s>\n", sstrdup(r->name).ptr);
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235 */
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236
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237 /* add the property to the proppatch request */
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diff changeset
238 switch(updateMode) {
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diff changeset
239 case 0: {
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diff changeset
240 davrq->setProps = ucx_dlist_append(
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diff changeset
241 davrq->setProps,
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diff changeset
242 rootElement);
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diff changeset
243 break;
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244 }
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diff changeset
245 case 1: {
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diff changeset
246 davrq->removeProps = ucx_dlist_append(
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diff changeset
247 davrq->removeProps,
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diff changeset
248 rootElement);
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diff changeset
249 break;
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250 }
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diff changeset
251 }
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diff changeset
252
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diff changeset
253 rootElement = NULL;
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diff changeset
254
27c7511c0e34 new proppatch, mkcol and delete method
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255 }
29
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256 }
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diff changeset
257
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258
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diff changeset
259 XMLString::release(&ns);
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260 XMLString::release(&name);
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261 }
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diff changeset
262
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263 void ProppatchHandler::characters(
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diff changeset
264 const XMLCh *const chars,
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265 const XMLSize_t length)
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266 {
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diff changeset
267
30
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diff changeset
268 XMLString::trim((XMLCh *const)chars);
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diff changeset
269 if(chars[0] == 0) {
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270 return;
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271 }
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272
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diff changeset
273 XmlElement *currentElm = XSTACK_CUR();
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diff changeset
274 if(currentElm) {
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diff changeset
275 xmlch_t *str = (xmlch_t*)pool_calloc(pool, sizeof(xmlch_t), length + 1);
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diff changeset
276 for(int i=0;i<length;i++) {
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277 str[i] = chars[i];
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278 }
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diff changeset
279
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diff changeset
280 currentElm->content = str;
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diff changeset
281 currentElm->ctlen = length;
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282 }
29
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283 }
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diff changeset
284
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285 void ProppatchHandler::startDocument() {
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286
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287 }
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diff changeset
288
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289 void ProppatchHandler::endDocument() {
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290
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diff changeset
291 }
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parents: 25
diff changeset
292

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